CN102829661A - Graded phase-change heat storage device - Google Patents
Graded phase-change heat storage device Download PDFInfo
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- CN102829661A CN102829661A CN2012102918042A CN201210291804A CN102829661A CN 102829661 A CN102829661 A CN 102829661A CN 2012102918042 A CN2012102918042 A CN 2012102918042A CN 201210291804 A CN201210291804 A CN 201210291804A CN 102829661 A CN102829661 A CN 102829661A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses a graded phase-change heat storage device and belongs to the field of phase change heat storage. The graded phase-change heat storage device comprises a heat storage groove, phase change heat storage materials, storage boxes and heat storage tubes, wherein the heat storage tubes are mounted in the heat storage groove in a certain form, storage grooves are arranged at two ends of the heat storage tubes, heat insulating materials are arranged outside the heat storage groove, a fluid working medium inlet and a fluid working medium outlet are arranged at the bottom of the heat storage groove which is separated into three grades by inner separation plates. The graded phase-change heat storage device is applicable to waste heat recycling in fluid working medium field, and grading of heat storage and heat release can be realized by above structure. The graded phase-change heat storage device is simple in structure, convenient to overhaul and maintain, and capable of improving energy utilization rate.
Description
Technical field
The invention belongs to the phase-transition heat-storage field, relate in particular to a kind of classification phase transition heat accumulation unit.
Background technology
Along with the fast development of whole world industry, the energy shortage problem becomes increasingly conspicuous.The subject matter that China's energy construction faces has that the energy reserves amount is few per capita, energy exploitation and application equipment and backward in technique, and environmental pollution is serious etc.Therefore, when continually developing new forms of energy, energy savings is more and more important, has clearly proposed the target of energy-saving and emission-reduction in " 12 planning " of China.
The exploitation of current phase-changing energy storage material progressively gets into the practical stage, be used for controlling reaction temperature, utilizes solar energy, store the waste heat and the used heat of industrial reaction.The low temperature energy storage is mainly used in Waste Heat Recovery, storage of solar energy and heating and air-conditioning system.High temperature energy-storage is used for aspects such as hot machine, solar power station, magnetohydrodynamic generator and artificial satellite.
The heat storage technology of many water tanks is also quite ripe; Operation principle is following: during cold-storage, cold water gets into the jar from the bottom inlet of first water tank, and the hot water of top overflow is delivered to the bottom inlet of second jar; And the like; Since be in all jars hot water at last, cold water down, utilize the different density contrasts that produce of water temperature apart from preventing that hot and cold water from mixing, multiple tank system indivedual water tanks when moving can be separated from system and carry out repair and maintenance.But the pipeline of the hold over system of simple many water tanks is complicated with control, and initial investment and operation and maintenance cost are higher.
Summary of the invention
The technical problem that solves
Mostly current phase transition heat accumulation unit is batch (-type) accumulation of heat heat release, and how accumulation of heat mixes with the exothermic process fluid working substance easily, causes accumulation of heat and exothermic process energy utilization efficiency low.For solving above technical problem, simultaneously in order to realize target for energy-saving and emission-reduction cheaply, the present invention proposes following technical scheme.
Technical scheme
The present invention realizes through following technical scheme:
A kind of classification phase transition heat accumulation unit comprises heat storage tank, phase change heat storage material, and the collection case also comprises heat accumulation pipe, and described heat accumulation pipe is installed in the heat storage tank, and the two ends of heat accumulation pipe are furnished with the collection case; Heat storage tank is provided with insulation material outward, and fluid working substance import and fluid working substance outlet are arranged at the heat storage tank bottom, and heat storage tank is divided into three grades of heat-accumulator tanks through internal partition.
The arrangement form of heat accumulation pipe is square or parallelogram, can increase heat exchange area, increases the quantity that heat accumulation pipe is arranged in the unit are, and the fluid working substance flow gap is arranged between heat accumulation pipe.Pipe and outer tube in being configured to of heat accumulation pipe; Support through fin between interior pipe and the outer tube; Be filled with phase change heat storage material in the space that fin is cut apart, interior pipe contacts with hot fluid working medium and is stored in heat in the heat-storing material, and outer tube contacts heat removal with cold fluid working medium.The interior pipe of heat accumulation pipe is than outer pipe range, and interior pipe is installed in the heat storage tank through heat storage tank sidewall sky, and the collection case is communicated with through the interior pipe of heat accumulation pipe.The collection case can be realized the classification of accumulation of heat and exothermic process through pipeline classification series connection through above device.
Beneficial effect
Have following technical advantage through above this device of technical scheme:
1, through the classification of accumulation of heat and heat release, can realize the raising of energy utilization efficiency;
2, heat storage tank is divided into three spaces, when certain space goes wrong therein, conveniently overhauls;
3, heat-storing material is placed in the separate duct, and heat accumulation pipe breaks down, and only needs independent some heat accumulation pipe is changed;
4, this apparatus structure is simple, and is easily manufactured, can increase progression according to field condition.
Description of drawings
Accompanying drawing 1, the front view of classification phase transition heat accumulation unit;
Accompanying drawing 2, the right view of classification phase transition heat accumulation unit;
Accompanying drawing 3, the vertical view of classification phase transition heat accumulation unit;
Accompanying drawing 4, the heat accumulation pipe cross-sectional view;
Accompanying drawing 5, the heat accumulation pipe that parallelogram is arranged;
Accompanying drawing 6, the heat accumulation pipe of arranged in squares;
Mark among the figure: 1, heat storage tank 2, heat accumulation pipe 3, fluid working substance import 4, fluid working substance outlet 5, collection case 6, insulation material 7, fin 8, interior pipe 9, phase change heat storage material 10, heat accumulation pipe gap 11, collection case import 12, collection case outlet 13, dividing plate.
The specific embodiment
Below in conjunction with description of drawings the present invention is explained as follows:
A kind of classification phase transition heat accumulation unit comprises heat storage tank 1, phase change heat storage material 9, and collection case 5, heat accumulation pipe 2, described heat accumulation pipe 2 is installed in the heat storage tank 1, and the two ends of heat accumulation pipe 2 are furnished with collection case 5; The heat storage tank 1 outer insulation material 6 that is provided with, fluid working substance import 3 and fluid working substance outlet 4 are arranged at heat storage tank 1 bottom, and heat storage tank 1 is divided into three grades of heat-accumulator tanks through internal partition 13.
The arrangement form of Fig. 5, Fig. 6 heat accumulation pipe 2 is square or parallelogram, can increase heat exchange area, increases the quantity that heat accumulation pipe 2 is arranged in the unit are, and 2 of heat accumulation pipes have the fluid working substance flow gap.
Pipe 8 and outer tube in being configured to of heat accumulation pipe 2; Support through fin 7 between interior pipe 8 and the outer tube; Be filled with phase change heat storage material 9 in the space that fin 7 is cut apart, interior pipe 8 contacts with hot fluid working medium and is stored in heat in the heat-storing material 9, and outer tube contacts heat removal with cold fluid working medium.The interior pipe 8 of heat accumulation pipe 2 is than outer pipe range, and interior pipe 8 is installed in the heat storage tank 1 through the heat storage tank areole, and collection case 5 is communicated with through the interior pipe 8 of heat accumulation pipe 2.Collection case 5 can be realized the classification of accumulation of heat and exothermic process through pipeline classification series connection through above device.
Below according to the concrete course of work of accompanying drawing this device of narration:
During accumulation of heat; Hot fluid working medium from thermal source gets into collection case 5 from the collection case import 11 near the outlet of the fluid working substance on the heat storage tank 14; Get into the interior pipe 8 of heat accumulation pipe 2 after in collection case 5, being uniformly dispersed; The phase change heat storage material 9 that is seated in the heat accumulation pipe 2 conducts heat through inner tubal wall, the heat in the storage waste heat.Through the hot fluid working medium after the heat exchange of one-level heat-accumulator tank, get into the next stage heat-accumulator tank through the pipeline that collects case outlet 12 and series connection, classification is carried out discharging from the collection case outlet 12 near fluid working substance import 3 until last after the heat exchange so successively.
During heat release; Cold fluid working medium gets into from the fluid working substance import 3 of heat storage tank 1; Carry out flowing out from the top outlet of heat-accumulator tank after the heat exchange through one-level heat-accumulator tank and heat accumulation pipe 2,, carry out heat exchange so successively from the bottom entering of next stage heat-accumulator tank; Thereby realize that the classification of cold fluid working medium carries out heat exchange, flow out until the working medium fluid issuing 4 from the heat storage tank 1 at last.
More than two kinds of working methods can carry out simultaneously, promptly when carrying out accumulation of heat, also can carry out heat release.
Claims (5)
1. a classification phase transition heat accumulation unit comprises heat storage tank (1), phase change heat storage material (10); Collection case (5) is characterized in that, also comprises heat accumulation pipe (2); Described heat accumulation pipe (2) is installed in the heat storage tank (1), and the two ends of heat accumulation pipe (2) are furnished with collection case (5); The outer insulation material (6) that is provided with of heat storage tank (1), fluid working substance import (3) and fluid working substance outlet (4) are arranged at heat storage tank (1) bottom, and heat storage tank (1) is divided into three grades of heat-accumulator tanks through internal partition (13).
2. a kind of classification phase transition heat accumulation unit as claimed in claim 1 is characterized in that the arrangement form of described heat accumulation pipe (2) is square or parallelogram, and heat accumulation pipe has the fluid working substance flow gap between (2).
3. a kind of classification phase transition heat accumulation unit as claimed in claim 1; It is characterized in that; Described heat accumulation pipe (2) is divided into interior pipe (8) and outer tube, supports through fin (7) between interior pipe (8) and the outer tube, is filled with phase change heat storage material (9) in the space that fin (7) is cut apart.
4. a kind of classification phase transition heat accumulation unit as claimed in claim 1 is characterized in that, the interior pipe (8) of described heat accumulation pipe (2) is than outer pipe range, and collection case (5) is communicated with through the interior pipe (8) of heat accumulation pipe (2).
5. a kind of classification phase transition heat accumulation unit as claimed in claim 1 is characterized in that, described collection case (5) is through pipeline classification series connection.
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| CN2012102918042A CN102829661A (en) | 2012-08-16 | 2012-08-16 | Graded phase-change heat storage device |
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| CN2012102918042A CN102829661A (en) | 2012-08-16 | 2012-08-16 | Graded phase-change heat storage device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266523A (en) * | 2013-05-22 | 2015-01-07 | 上海工电能源科技有限公司 | Phase change heat storage device, solar heat utilization system employing same and operating mode of solar heat utilization system |
| CN104279537A (en) * | 2013-07-11 | 2015-01-14 | 上海工电能源科技有限公司 | Reheating solar heat utilization system and operation mode thereof |
| CN105509345A (en) * | 2015-12-30 | 2016-04-20 | 西安交通大学 | Solar energy storage device utilizing honeycombed heat storage units |
| CN105571168A (en) * | 2016-01-27 | 2016-05-11 | 北方工业大学 | Solar heat collection automatic step phase change heat storage energy step utilization device |
| CN105910482A (en) * | 2016-06-08 | 2016-08-31 | 东北大学 | Novel heat accumulator based on phase-change heat accumulation materials |
| CN107314543A (en) * | 2017-07-25 | 2017-11-03 | 大连美天新能源科技有限公司 | The hot energy storage device of large power carbon fiber |
| CN108204760A (en) * | 2017-12-28 | 2018-06-26 | 黑龙江特通电气股份有限公司 | Solid heat storage brick laying structure and solid heat storage electric boiler |
| CN108731266A (en) * | 2017-04-20 | 2018-11-02 | 刘勇 | A kind of energy-storage module and the energy storage device including energy-storage module |
| CN109141088A (en) * | 2018-08-28 | 2019-01-04 | 重庆大学 | A kind of efficient hot-air phase-changing heat accumulation plate |
| CN110030781A (en) * | 2019-04-16 | 2019-07-19 | 中车长江车辆有限公司 | It insulated container based on monoblock type hold-over plate and its fills cold for cooling method |
| CN110057227A (en) * | 2019-05-20 | 2019-07-26 | 白守明 | A kind of energy storage type heat exchanger |
| CN111637776A (en) * | 2020-06-12 | 2020-09-08 | 东北大学 | Multi-level phase change recycling and storing device for waste heat of metallurgical high-temperature slag |
| CN112963883A (en) * | 2021-04-26 | 2021-06-15 | 山东大学 | Heterogeneous multi-heat-source common storage device |
| CN113028874A (en) * | 2020-02-18 | 2021-06-25 | 强野机械科技(上海)有限公司 | Step phase change heat reservoir |
| CN113532176A (en) * | 2021-07-09 | 2021-10-22 | 广州大学 | Phase change heat storage device with double flow channels operating in stages |
| CN114812246A (en) * | 2022-04-19 | 2022-07-29 | 浙江大学 | Cascade heat utilization system in unsteady state heat storage and release process and control method thereof |
| CN114838611A (en) * | 2022-05-31 | 2022-08-02 | 赵小峰 | High-temperature heat exchange and heat storage unit, structure and device |
-
2012
- 2012-08-16 CN CN2012102918042A patent/CN102829661A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266523A (en) * | 2013-05-22 | 2015-01-07 | 上海工电能源科技有限公司 | Phase change heat storage device, solar heat utilization system employing same and operating mode of solar heat utilization system |
| CN104266523B (en) * | 2013-05-22 | 2017-09-29 | 上海工电能源科技有限公司 | A kind of phase transition heat accumulation unit, Solar Energy Heat Utilization System and the method for operation using the device |
| CN104279537A (en) * | 2013-07-11 | 2015-01-14 | 上海工电能源科技有限公司 | Reheating solar heat utilization system and operation mode thereof |
| CN105509345A (en) * | 2015-12-30 | 2016-04-20 | 西安交通大学 | Solar energy storage device utilizing honeycombed heat storage units |
| CN105571168A (en) * | 2016-01-27 | 2016-05-11 | 北方工业大学 | Solar heat collection automatic step phase change heat storage energy step utilization device |
| CN105910482A (en) * | 2016-06-08 | 2016-08-31 | 东北大学 | Novel heat accumulator based on phase-change heat accumulation materials |
| CN105910482B (en) * | 2016-06-08 | 2018-05-04 | 东北大学 | A kind of storage heater based on phase change heat storage material |
| CN108731266A (en) * | 2017-04-20 | 2018-11-02 | 刘勇 | A kind of energy-storage module and the energy storage device including energy-storage module |
| CN107314543A (en) * | 2017-07-25 | 2017-11-03 | 大连美天新能源科技有限公司 | The hot energy storage device of large power carbon fiber |
| CN108204760A (en) * | 2017-12-28 | 2018-06-26 | 黑龙江特通电气股份有限公司 | Solid heat storage brick laying structure and solid heat storage electric boiler |
| CN109141088A (en) * | 2018-08-28 | 2019-01-04 | 重庆大学 | A kind of efficient hot-air phase-changing heat accumulation plate |
| CN110030781A (en) * | 2019-04-16 | 2019-07-19 | 中车长江车辆有限公司 | It insulated container based on monoblock type hold-over plate and its fills cold for cooling method |
| CN110030781B (en) * | 2019-04-16 | 2024-04-05 | 中国国家铁路集团有限公司 | Heat preservation container based on integral cold accumulation plate and cold filling and supplying method thereof |
| CN110057227A (en) * | 2019-05-20 | 2019-07-26 | 白守明 | A kind of energy storage type heat exchanger |
| CN113028874A (en) * | 2020-02-18 | 2021-06-25 | 强野机械科技(上海)有限公司 | Step phase change heat reservoir |
| CN111637776A (en) * | 2020-06-12 | 2020-09-08 | 东北大学 | Multi-level phase change recycling and storing device for waste heat of metallurgical high-temperature slag |
| CN112963883A (en) * | 2021-04-26 | 2021-06-15 | 山东大学 | Heterogeneous multi-heat-source common storage device |
| CN113532176A (en) * | 2021-07-09 | 2021-10-22 | 广州大学 | Phase change heat storage device with double flow channels operating in stages |
| CN113532176B (en) * | 2021-07-09 | 2023-05-16 | 广州大学 | Phase change heat storage device with double channels operating in stages |
| CN114812246A (en) * | 2022-04-19 | 2022-07-29 | 浙江大学 | Cascade heat utilization system in unsteady state heat storage and release process and control method thereof |
| CN114838611A (en) * | 2022-05-31 | 2022-08-02 | 赵小峰 | High-temperature heat exchange and heat storage unit, structure and device |
| CN114838611B (en) * | 2022-05-31 | 2024-03-15 | 赵小峰 | High-temperature heat exchange and storage unit, structure and device |
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Application publication date: 20121219 |